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atomic counter offset should align to 4

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atomic counter offset should align to 4
Ref:
glspec46.core - 6.8 BufferObjectState
offset restriction multiple of 4
This commit is contained in:
Chow 2019-12-25 17:27:45 +08:00
parent bd97b6f9f2
commit 5db058c020
3 changed files with 72 additions and 66 deletions
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3
Test/atomic_uint.frag
View File

@ -1,6 +1,7 @@
#version 420 core
layout(binding = 0) uniform atomic_uint counter;
layout(binding = 0, offset = 9) uniform atomic_uint counter;
uint func(atomic_uint c)
{
@ -41,7 +42,7 @@ uniform atomic_uint aNoBind; // ERROR, no binding
layout(binding=0, offset=32) uniform atomic_uint aOffset;
layout(binding=0, offset=4) uniform atomic_uint;
layout(binding=0) uniform atomic_uint bar3; // offset is 4
layout(binding=0) uniform atomic_uint ac[3]; // offset = 8
layout(binding=0) uniform atomic_uint ac[2]; // offset = 8
layout(binding=0) uniform atomic_uint ad; // offset = 20
layout(offset=8) uniform atomic_uint bar4; // ERROR, no binding
layout(binding = 0, offset = 12) uniform atomic_uint overlap; // ERROR, overlapping offsets

131
Test/baseResults/atomic_uint.frag.out
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@ -1,64 +1,65 @@
atomic_uint.frag
ERROR: 0:10: 'atomic_uint' : samplers and atomic_uints cannot be output parameters
ERROR: 0:12: 'return' : type does not match, or is not convertible to, the function's return type
ERROR: 0:18: 'atomic_uint' : atomic_uints can only be used in uniform variables or function parameters: non_uniform_counter
ERROR: 0:23: 'binding' : atomic_uint binding is too large; see gl_MaxAtomicCounterBindings
ERROR: 0:28: '+' : wrong operand types: no operation '+' exists that takes a left-hand operand of type 'layout( binding=0 offset=0) uniform atomic_uint' and a right operand of type 'layout( binding=0 offset=0) uniform atomic_uint' (or there is no acceptable conversion)
ERROR: 0:29: '-' : wrong operand type no operation '-' exists that takes an operand of type layout( binding=0 offset=0) uniform atomic_uint (or there is no acceptable conversion)
ERROR: 0:31: '[]' : scalar integer expression required
ERROR: 0:34: 'assign' : l-value required "counter" (can't modify a uniform)
ERROR: 0:34: 'assign' : cannot convert from ' const int' to 'layout( binding=0 offset=0) uniform atomic_uint'
ERROR: 0:37: 'atomic_uint' : atomic_uints can only be used in uniform variables or function parameters: acin
ERROR: 0:38: 'atomic_uint' : atomic_uints can only be used in uniform variables or function parameters: acg
ERROR: 0:47: 'offset' : atomic counters sharing the same offset: 12
ERROR: 0:48: 'binding' : atomic_uint binding is too large; see gl_MaxAtomicCounterBindings
ERROR: 13 compilation errors. No code generated.
ERROR: 0:4: 'counter' : redefinition
ERROR: 0:11: 'atomic_uint' : samplers and atomic_uints cannot be output parameters
ERROR: 0:13: 'return' : type does not match, or is not convertible to, the function's return type
ERROR: 0:19: 'atomic_uint' : atomic_uints can only be used in uniform variables or function parameters: non_uniform_counter
ERROR: 0:24: 'binding' : atomic_uint binding is too large; see gl_MaxAtomicCounterBindings
ERROR: 0:29: '+' : wrong operand types: no operation '+' exists that takes a left-hand operand of type 'layout( binding=0 offset=0) uniform atomic_uint' and a right operand of type 'layout( binding=0 offset=0) uniform atomic_uint' (or there is no acceptable conversion)
ERROR: 0:30: '-' : wrong operand type no operation '-' exists that takes an operand of type layout( binding=0 offset=0) uniform atomic_uint (or there is no acceptable conversion)
ERROR: 0:32: '[]' : scalar integer expression required
ERROR: 0:35: 'assign' : l-value required "counter" (can't modify a uniform)
ERROR: 0:35: 'assign' : cannot convert from ' const int' to 'layout( binding=0 offset=0) uniform atomic_uint'
ERROR: 0:38: 'atomic_uint' : atomic_uints can only be used in uniform variables or function parameters: acin
ERROR: 0:39: 'atomic_uint' : atomic_uints can only be used in uniform variables or function parameters: acg
ERROR: 0:48: 'offset' : atomic counters sharing the same offset: 12
ERROR: 0:49: 'binding' : atomic_uint binding is too large; see gl_MaxAtomicCounterBindings
ERROR: 14 compilation errors. No code generated.
Shader version: 420
ERROR: node is still EOpNull!
0:5 Function Definition: func(au1; ( global uint)
0:5 Function Parameters:
0:5 'c' ( in atomic_uint)
0:7 Sequence
0:7 Branch: Return with expression
0:7 AtomicCounterIncrement ( global uint)
0:7 'c' ( in atomic_uint)
0:10 Function Definition: func2(au1; ( global uint)
0:10 Function Parameters:
0:10 'c' ( out atomic_uint)
0:12 Sequence
0:12 Branch: Return with expression
0:12 'counter' (layout( binding=0 offset=0) uniform atomic_uint)
0:6 Function Definition: func(au1; ( global uint)
0:6 Function Parameters:
0:6 'c' ( in atomic_uint)
0:8 Sequence
0:8 Branch: Return with expression
0:8 AtomicCounterIncrement ( global uint)
0:8 'c' ( in atomic_uint)
0:11 Function Definition: func2(au1; ( global uint)
0:11 Function Parameters:
0:11 'c' ( out atomic_uint)
0:13 Sequence
0:13 Branch: Return with expression
0:13 AtomicCounter ( global uint)
0:13 'counter' (layout( binding=0 offset=0) uniform atomic_uint)
0:16 Function Definition: main( ( global void)
0:16 Function Parameters:
0:13 'counter' (layout( binding=0 offset=0) uniform atomic_uint)
0:14 Branch: Return with expression
0:14 AtomicCounter ( global uint)
0:14 'counter' (layout( binding=0 offset=0) uniform atomic_uint)
0:17 Function Definition: main( ( global void)
0:17 Function Parameters:
0:? Sequence
0:19 Sequence
0:19 move second child to first child ( temp uint)
0:19 'val' ( temp uint)
0:19 AtomicCounter ( global uint)
0:19 'counter' (layout( binding=0 offset=0) uniform atomic_uint)
0:20 AtomicCounterDecrement ( global uint)
0:20 'counter' (layout( binding=0 offset=0) uniform atomic_uint)
0:26 Function Definition: opac( ( global void)
0:26 Function Parameters:
0:28 Sequence
0:28 'counter' (layout( binding=0 offset=0) uniform atomic_uint)
0:20 Sequence
0:20 move second child to first child ( temp uint)
0:20 'val' ( temp uint)
0:20 AtomicCounter ( global uint)
0:20 'counter' (layout( binding=0 offset=0) uniform atomic_uint)
0:21 AtomicCounterDecrement ( global uint)
0:21 'counter' (layout( binding=0 offset=0) uniform atomic_uint)
0:27 Function Definition: opac( ( global void)
0:27 Function Parameters:
0:29 Sequence
0:29 'counter' (layout( binding=0 offset=0) uniform atomic_uint)
0:31 indirect index ( temp int)
0:31 'a' ( temp 3-element array of int)
0:31 'counter' (layout( binding=0 offset=0) uniform atomic_uint)
0:32 direct index (layout( binding=1 offset=3) temp atomic_uint)
0:32 'countArr' (layout( binding=1 offset=3) uniform 4-element array of atomic_uint)
0:32 Constant:
0:32 2 (const int)
0:33 indirect index (layout( binding=1 offset=3) temp atomic_uint)
0:30 'counter' (layout( binding=0 offset=0) uniform atomic_uint)
0:32 indirect index ( temp int)
0:32 'a' ( temp 3-element array of int)
0:32 'counter' (layout( binding=0 offset=0) uniform atomic_uint)
0:33 direct index (layout( binding=1 offset=3) temp atomic_uint)
0:33 'countArr' (layout( binding=1 offset=3) uniform 4-element array of atomic_uint)
0:33 'i' ( uniform int)
0:34 'counter' (layout( binding=0 offset=0) uniform atomic_uint)
0:33 Constant:
0:33 2 (const int)
0:34 indirect index (layout( binding=1 offset=3) temp atomic_uint)
0:34 'countArr' (layout( binding=1 offset=3) uniform 4-element array of atomic_uint)
0:34 'i' ( uniform int)
0:35 'counter' (layout( binding=0 offset=0) uniform atomic_uint)
0:? Linker Objects
0:? 'counter' (layout( binding=0 offset=0) uniform atomic_uint)
0:? 'countArr' (layout( binding=1 offset=3) uniform 4-element array of atomic_uint)
@ -68,8 +69,8 @@ ERROR: node is still EOpNull!
0:? 'aNoBind' ( uniform atomic_uint)
0:? 'aOffset' (layout( binding=0 offset=32) uniform atomic_uint)
0:? 'bar3' (layout( binding=0 offset=4) uniform atomic_uint)
0:? 'ac' (layout( binding=0 offset=8) uniform 3-element array of atomic_uint)
0:? 'ad' (layout( binding=0 offset=20) uniform atomic_uint)
0:? 'ac' (layout( binding=0 offset=8) uniform 2-element array of atomic_uint)
0:? 'ad' (layout( binding=0 offset=16) uniform atomic_uint)
0:? 'bar4' (layout( offset=8) uniform atomic_uint)
0:? 'overlap' (layout( binding=0 offset=12) uniform atomic_uint)
0:? 'bigBind' (layout( binding=20) uniform atomic_uint)
@ -80,16 +81,16 @@ Linked fragment stage:
Shader version: 420
ERROR: node is still EOpNull!
0:16 Function Definition: main( ( global void)
0:16 Function Parameters:
0:17 Function Definition: main( ( global void)
0:17 Function Parameters:
0:? Sequence
0:19 Sequence
0:19 move second child to first child ( temp uint)
0:19 'val' ( temp uint)
0:19 AtomicCounter ( global uint)
0:19 'counter' (layout( binding=0 offset=0) uniform atomic_uint)
0:20 AtomicCounterDecrement ( global uint)
0:20 'counter' (layout( binding=0 offset=0) uniform atomic_uint)
0:20 Sequence
0:20 move second child to first child ( temp uint)
0:20 'val' ( temp uint)
0:20 AtomicCounter ( global uint)
0:20 'counter' (layout( binding=0 offset=0) uniform atomic_uint)
0:21 AtomicCounterDecrement ( global uint)
0:21 'counter' (layout( binding=0 offset=0) uniform atomic_uint)
0:? Linker Objects
0:? 'counter' (layout( binding=0 offset=0) uniform atomic_uint)
0:? 'countArr' (layout( binding=1 offset=3) uniform 4-element array of atomic_uint)
@ -99,8 +100,8 @@ ERROR: node is still EOpNull!
0:? 'aNoBind' ( uniform atomic_uint)
0:? 'aOffset' (layout( binding=0 offset=32) uniform atomic_uint)
0:? 'bar3' (layout( binding=0 offset=4) uniform atomic_uint)
0:? 'ac' (layout( binding=0 offset=8) uniform 3-element array of atomic_uint)
0:? 'ad' (layout( binding=0 offset=20) uniform atomic_uint)
0:? 'ac' (layout( binding=0 offset=8) uniform 2-element array of atomic_uint)
0:? 'ad' (layout( binding=0 offset=16) uniform atomic_uint)
0:? 'bar4' (layout( offset=8) uniform atomic_uint)
0:? 'overlap' (layout( binding=0 offset=12) uniform atomic_uint)
0:? 'bigBind' (layout( binding=20) uniform atomic_uint)

4
glslang/MachineIndependent/ParseHelper.cpp
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@ -6035,6 +6035,10 @@ void TParseContext::fixOffset(const TSourceLoc& loc, TSymbol& symbol)
offset = qualifier.layoutOffset;
else
offset = atomicUintOffsets[qualifier.layoutBinding];
if (offset % 4 != 0)
error(loc, "atomic counters offset should align based on 4:", "offset", "%d", offset);
symbol.getWritableType().getQualifier().layoutOffset = offset;
// Check for overlap